23331202020 has 216 divisors, whose sum is σ = 84982480128. Its totient is φ = 5160758400.

The previous prime is 23331201997. The next prime is 23331202043. The reversal of 23331202020 is 2020213332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23331201997) and next prime (23331202043).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23331201984 and 23331202002.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230755 + ... + 316085.

It is an arithmetic number, because the mean of its divisors is an integer number (393437408).

Almost surely, 2^23331202020 is an apocalyptic number.

23331202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23331202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42491240064).

23331202020 is an abundant number, since it is smaller than the sum of its proper divisors (61651278108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23331202020 is a wasteful number, since it uses less digits than its factorization.

23331202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85391 (or 85379 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23331202020 its reverse (2020213332), we get a palindrome (25351415352).

The spelling of 23331202020 in words is "twenty-three billion, three hundred thirty-one million, two hundred two thousand, twenty".